Compositions and their use for treating fibers

Claim 2

A composition of matter comprising (A) 36 to 94.9 weight percent of an amino organofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR22## (B) 5 to 55 weight percent of a blend of (i) an epoxyorganofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR23## and (ii) a carboxylic acid organofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR24## wherein each R"" is selected from alkyl radicals having 1 to 4 carbon atoms, alkoxy radicals having 1 to 4 carbon atoms, or the hydroxyl radical and each R is selected from alkyl radicals having 1 to 4 carbon atoms and at least 50 percent of the total substituents in each of the linear aminoorganofunctional, epoxyorganofunctional and carboxylic acid organofunctional polydiorganosiloxanes being methyl radicals; each R' is selected from divalent organic radicals comprising alkylene, aralkylene and alkarylene radicals having 2 to 12 carbon atoms, --(Q) m NH(Q') n --, wherein Q and Q' are each selected from the groups of R', and m and n each have a value of at least 1; x has a value of 1 to 3000; y has a value of 1 to 60; R" is selected from monovalent epoxyfunctional organic groups, wherein each R" is bonded to a silicon atom through a divalent organic bridge; x' has a value of 1 to 3000; y' has a value of 1 to 75; R"' is selected from a monovalent carboxylic acid organic group wherein each R"' is bonded to a silicon atom through a divalent organic bridge; x" has a value of 1 to 3000; y" has a value of 1 to 60, wherein the weight ratio of (B)(i) to (B)(ii) is in the range of 95:5 to 5:95 and, (C) 0.1 to 10 weight percent of an aminoorganosilane having the general formula ##STR25## wherein R has the same meaning as set forth for R above, R' has the same meaning as set forth for R' above, p has a value of 0, 1 2, q has a value of at least 1, r has a value of at least one, and the total value of p, q, and r has to be four; all weight percentages being based on the total weight of components (A), (B), and (C).

Claim 3

A composition as claimed in claim 1 wherein there is present 50 to 80 weight percent of component (A), 2 to 40 weight percent of component (B) and 0.5 to 7 weight percent of component (C).

Claim 4

A composition as claimed in claim 1 wherein there is present 70 to 80 weight percent of component (A), 15 to 25 weight percent of component (B), and 1 to 5 weight percent of component (C).

Claim 5

The composition as claimed in claim 1 wherein x has a value of 400 to 1000 and y has a value of 1 to 20.

Claim 6

The composition as claimed in claim 1 wherein x' has a value of 20 to 2000 and y' has a value of 2 to 50.

Claim 7

The composition as claimed in claim 1 wherein x" has a value of 100 to 1000 and y" has a value of 2 to 20.

Claim 8

The composition as claimed in claim 1 in the form of an aqueous emulsion.

Claim 9

A process for the treatment of animal, cellulosic and synthetic fibers said process comprising contacting animal, cellulosic or synthetic fibers with a composition comprising (A) 36 to 94.9 weight percent of an amino organofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR26## (B) 5 to 55 weight percent of a blend of (i) an epoxyorganofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR27## and (ii) a carboxylic acid organofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR28## wherein each R"" is selected from alkyl radicals having 1 to 4 carbon atoms, alkoxy radicals having 1 to 4 carbon atoms, or the hydroxyl radical and each R is selected from alkyl radicals having 1 to 4 carbon atoms and at least 50 percent of the total substituents in each of the linear aminoorganofunctional, epoxyorganofunctional and carboxylic acid organofunctional polydiorganosiloxanes being methyl radicals; each R' is selected from divalent organic radicals comprising alkylene, aralkylene and alkarylene radicals having 2 to 12 carbon atoms, --(Q) m NH(Q') n --, wherein Q and Q' are each selected from the groups of R', and m and n each have a value of at least 1; x has a value of 1 to 3000; y has a value of 1 to 60; R" is selected from monovalent epoxyfunctional organic groups, wherein each R" is bonded to a silicon atom through a divalent organic bridge; x' has a value of 1 to 3000; y' has a value of 1 to 75; R"' is selected from a monovalent carboxylic acid organic group wherein each R"' is bonded to a silicon atom through a divalent organic bridge; x" has a value of 1 to 3000; y" has a value of 1 to 60, wherein the weight ratio of (B)(i) to (B)(ii) is in the range of 95:5 to 5:95 and, (C) 0.1 to 10 weight percent of an aminoorganosilane having the general formula ##STR29## wherein R has the same meaning as set forth for R above, R' has the same meaning as set forth for R' above, p has a value of 0, 1 or 2, q has a value of at least 1, r has a value of at least one, and the total value of p, q, and r has to be four; all weight percentages being based on the total weight of components (A), (B), and (C); (II) thereafter curing the composition on the fiber to obtain a treated fiber.

Claim 10

A process for the treatment of animal, cellulosic and synthetic fibers said process comprising contacting animal, cellulosic or synthetic fibers with a composition comprising (A) 36 to 94.9 weight percent of an amino organofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR26## (B) 5 to 55 weight percent of a blend of (i) an epoxyorganofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR27## and (ii) a carboxylic acid organofunctional substantially linear polydiorganosiloxane polymer having the general formula ##STR28## wherein each R"" is selected from alkyl radicals having 1 to 4 carbon atoms, alkoxy radicals having 1 to 4 carbon atoms, or the hydroxyl radical and each R is selected from alkyl radicals having 1 to 4 carbon atoms and at least 50 percent of the total substituents in each of the linear aminoorganofunctional, epoxyorganofunctional and carboxylic acid organofunctional polydiorganosiloxanes being methyl radicals; each R' is selected from divalent organic radicals comprising alkylene, aralkylene and alkarylene radicals having 2 to 12 carbon atoms, --(Q) m NH(Q') n --, wherein Q and Q' are each selected from the groups of R', and m and n each have a value of at least 1; x has a value of 1 to 3000; y has a value of 1 to 60; R" is selected from monovalent epoxyfunctional organic groups, wherein each R" is bonded to a silicon atom through a divalent organic bridge; x' has a value of 1 to 3000; y' has a value of 1 to 75; R"' is selected from a monovalent carboxylic acid organic group wherein each R"' is bonded to a silicon atom through a divalent organic bridge; x" has a value of 1 to 3000; y" has a value of 1 to 60, wherein the weight ratio of (B)(i) to (B)(ii) is in the range of 95:5 to 5:95 and, (C) 0.1 to 10 weight percent of an aminoorganosilane having the general formula ##STR29## wherein R has the same meaning as set forth for R above, R' has the same meaning as set forth for R' above, p has a value of 0, 1 or 2, q has a value of at least 1, r has a value of at least one, and the total value of p, q, and r has to be four; all weight percentages being based on the total weight of components (A), (B), and (C); (II) thereafter curing the composition on the fiber to obtain a treated fiber.